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Set ses_ictx and ses_octx to NULL after freeing them, so we won't free

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them twice.
This is possible for example in situation when session is used in
authentication context, then freed and then used in encryption context
and freed - in encryption context ses_ictx and ses_octx are not touched
at newsession time, but padlock_freesession could still try to free them
when they are not NULL.
This commit is contained in:
Pawel Jakub Dawidek 2006-07-22 10:04:47 +00:00
parent 87b4dfd5b2
commit 5362e27b6d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=160568
1 changed files with 2 additions and 0 deletions
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2
sys/crypto/via/padlock.c
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@ -489,10 +489,12 @@ padlock_freesession(void *arg __unused, uint64_t tid)
if (ses->ses_ictx != NULL) {
bzero(ses->ses_ictx, sizeof(ses->ses_ictx));
free(ses->ses_ictx, M_CRYPTO_DATA);
ses->ses_ictx = NULL;
}
if (ses->ses_octx != NULL) {
bzero(ses->ses_octx, sizeof(ses->ses_octx));
free(ses->ses_octx, M_CRYPTO_DATA);
ses->ses_octx = NULL;
}
bzero(ses, sizeof(ses));
ses->ses_used = 0;